Arm & Hammer Odor Eliminating Vacuum Filter, Dirt Devil F22: * Baking soda particles neutralize odor-bearing chemicals * Releases clean, odor-free air into your home as you vacuum * Replace filter every 90-120 days for optimal performance * For use in Dirt Devil Aspire, Quick Power Compact and select Featherlite (M085850 Series) and Featherlight Bagless Uprights